04 2022 档案

awk实现去重输出
摘要：alias myuniq="awk 'BEGIN{a[\"\"]=1}{if(!(\$0 in a)){print \$0;a[\$0]=1}}'" awk 'BEGIN{a[""]=1}{if(!($0 in a)){print $0;a[$0]=1}}' 阅读全文
posted @ 2022-04-07 21:21 douzujun 阅读(99) 评论(0) 推荐(0)